Griffin iTrip FM Transmitter and Auto Charger for Sansa Compatibility: Sansa View; Sansa Connect; Sansa c200 Series; Sansa e200 Series; Sansa Fuze Four user-programmable presets save the best frequencies so you can access them quickly later Broadcasts in crisp, clear FM stereo through any open FM frequency for quality audio playback Charges while in use so you arrive at your destination ready to go Sleek, single-wire design keeps your stereo set-up clutter-free